QC/T 481-2005 in English

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of crankshaft for vehicle engine.

This standard is applicable to the crankshaft for vehicle engine.

2 Normative References

The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.

GB/T 223 Standard Method for Chemical Analysis of Steel and Iron
GB/T 225 Steel - Hardenability Test by End Quenching (Jominy Test)
GB/T 228 Metallic Materials - Tensile Testing at Ambient Temperature
GB/T 229 Metallic Materials - Charpy Notch Impact Test
GB/T 230 Metallic Materials - Rockwell Hardness Test
GB/T 231 Metallic Materials - Brinell Hardness Test
GB/T 699 Quality Carbon Structure Steels
GB/T 1031 Surface Roughness Parameters and their Values
GB/T 1184-1996 Geometrical Tolerancing - Geometrical Tolerances for Features without Individual Tolerance Indications
GB/T 1348 Spheroidal Graphite Iron Castings
GB/T 1801 Limits and Fits - Selection of Tolerance Zones and Fits
GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection (idt ISO 2859-1:1999)
GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)
GB/T 3077 Alloy Structure Steels
GB/T 3505 Geometrical Product Specifications (GPS) - Surface texture: Profile Method - Terms, Definitions And Surface Texture Parameters
GB/T 4340.1 Metallic Materials - Vickers Hardness Test - Part 1: Test Method
GB/T 6394-2002 Metal - Methods for Estimating the Average Grain Size
GB/T 9441 Metallographic Test for Spheroidal Graphite Cast Iron
GB/T 10561-1989 Steel - Determination of Content of Non-metallic Inclusion - Micrographic Method Using Standard Diagrams
GB/T 11354 Determination of Nitrided Case Depth and Metallographic Microstructure Examination for Steel and Iron Parts
GB/T 13299-1991 Steel - Determination of Microstructure
GB/T 15712-1995 Ferritic-Pearlitic Engineering Steels for Precipitation Hardening from Hot-working Temperature
GB/T 19055 Reliability Test Methods for Motor Vehicle Engines
JB/T 6729 Internal Combustion Engines-Magnetic Particle Inspection for Crankshafts and Camshafts
JB/T 9744 Internal Combustion Engines - Magnetic-Particle Inspection for Parts and Components
QCn 29008.13 Automobile Quality Inspection - Assessment Methods for Cleanliness
QC/T 637 Test Method for Bending Fatigue of Crankshaft for Vehicle Engine

3 Technical Requirements

3.1 Crankshaft shall be manufactured in accordance with the approved product drawings (hereinafter referred to as "the drawing") and technical documents as established procedure and shall meet the requirements of this standard.

3.2 Crankshaft material

Foreword i
1 Scope
2 Normative References
3 Technical Requirements
4 Test method
5 Inspection Rules
6 Marking, Packaging, Transportation and Storage
7 Quality Assurance